Roulette table

Covering four numbers with the minimum stake that reaches 1500 on any hit balances a 4/38 success chance per spin against preserving bankroll for repeated attempts in later spins.

Need 564 to reach 1500; a 17-chip straight-up win pays 595, enough in one hit while preserving bankroll for repeated attempts over 19 remaining spins.

Covering nine straight numbers for 22 each is the widest coverage that can reach 1500 on a hit this spin, giving a 9/38 immediate success chance while leaving 721 if it misses.

Bankroll 721 needs 779 to reach 1500; a 23-chip straight-up win pays 805 and reaches the target in one hit, while the small stake preserves bankroll for all 17 remaining spins.

Need 802 in 16 spins; covering two straight numbers for 24 each nets 816 on a hit, reaching 1500, while keeping stake minimal to preserve many repeat attempts.

Far below target with 15 spins left, a minimum straight-up bet that reaches 1500 on a hit (25*35=875) maximizes repeated attempts while preserving bankroll.

Bankroll 625 needs 875 to reach 1500; a 25-chip straight-up bet pays 35:1 for exactly 875 profit, giving a one-spin reach with the minimum stake and preserving bankroll for repeated attempts over 14 spins.

Bankroll 600 needs +900 in 13 spins; a 45-chip straight-up gives a 35:1 payoff sufficient to reach 1500 on any single hit while still affording all remaining spins if it misses.

Bankroll 555 needs 945 to reach 1500 in 12 spins. Covering six straight numbers for 32 each costs 192 and any hit nets 960, reaching the target while leaving 363 for further attempts if it misses.

Bankroll 1515 already exceeds the 1500 target with 11 spins remaining, so betting only risks falling below target; skipping locks in success.

Bankroll is 1515, already above the 1500 target with 10 spins remaining, so betting only risks falling below target. Skipping preserves the successful bankroll.

Bankroll 1515 already exceeds the 1500 target with 9 spins remaining, so betting only risks falling below target; skipping locks in success.

Bankroll is 1515, already above the 1500 target with 8 spins remaining. Betting would only risk falling below target, so I will skip to lock in success.

Bankroll is 1515, already above the 1500 target with 7 spins remaining, so betting only risks falling below target. Skipping preserves the successful bankroll.

Bankroll is 1515, already above the 1500 target with 6 spins remaining. Betting risks falling below target with no reward for extra margin, so I skip to lock in success.

Bankroll 1515 already exceeds the 1500 target with 5 spins remaining, so betting only risks falling below target; skipping preserves success.

Bankroll 1515 already exceeds the 1500 target with 4 spins remaining, so betting nothing locks in success.

Bankroll 1515 already exceeds the 1500 target with 3 spins remaining, so placing no bet locks in success and avoids any risk of falling below target.

Already at 1515, above the 1500 target with 2 spins remaining; skipping avoids any risk of dropping below target.

Bankroll 1515 already exceeds the 1500 target with one spin left, so betting only risks falling below target; skipping locks in success.